fix: upgrade @ganache/rlp from 0.8.0 to 0.9.1

Snyk has created this PR to upgrade @ganache/rlp from 0.8.0 to 0.9.1.

See this package in npm:
https://www.npmjs.com/package/@ganache/rlp

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/f4dd26f1-43f9-4242-9530-869ac62eded8?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot